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Recovery (passive vs. active) during interval training and plasma catecholamine responses.
A B Abderrahmane1, J Prioux, I Mrizek
1Movement, Sport and health Sciences Laboratory (M2S), UFR APS University of Rennes 2, Rennes, France.
International Journal of Sports Medicine
|February 28, 2013
Summary
Active recovery during interval training significantly increases adrenaline and noradrenaline responses to maximal exercise. This suggests active recovery may induce greater physiological stress compared to passive recovery.
Area of Science:
- Exercise Physiology
- Sports Science
- Biochemistry
Background:
- Understanding physiological responses to exercise recovery is crucial for optimizing training protocols.
- Catecholamines, such as adrenaline and noradrenaline, are key indicators of physiological stress during exercise.
- Interval training (IT) is a popular training modality, but the impact of different recovery modes within IT on hormonal responses is not fully elucidated.
Purpose of the Study:
- To investigate the effect of active recovery (AR) versus passive recovery (PR) on plasma catecholamine responses to maximal exercise (Exemax) within an interval training program.
- To assess changes in maximal oxygen uptake (VO2max) and maximal aerobic velocity (MAV) following the training intervention.
Main Methods:
- 24 male subjects were assigned to a control group, AR group, or PR group.
- The AR and PR groups underwent a 7-week interval training program.
- Measurements included VO2max, MAV, and plasma adrenaline (A) and noradrenaline (NA) levels at rest, post-maximal exercise, and during recovery.
Main Results:
- Training induced significant improvements in VO2max and MAV exclusively in the AR group.
- The AR group exhibited significantly increased plasma A and NA concentrations post-Exemax after the training period.
- The A/NA ratio also showed a significant increase in the AR group post-training.
Conclusions:
- Interval training with active recovery leads to heightened adrenaline and noradrenaline responses to maximal exercise.
- Active recovery within an interval training program may impose a greater physiological stress compared to passive recovery.
- These findings have implications for tailoring recovery strategies in training to manage physiological stress.
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